Internal-combustion engine.



RL s. MOORE. lINTHRNAL COMBUSTION ENGINE.

APPLICATION FILED JAN.29,1913

lwm. l Patented De@.26,1916.

2 SHEETS-SHEET I.

R. S.M00`RE. INTERNM COMBUSTION ENGINE. ,WPLICMIQN man' 1MM 29, 1913.

Patented ma. v26, 1916.

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@Human an srarns narrare mit 'n l o ROBERT S. MOORE, OF WASHINGTON,DISTECT 0F CL'U'MBIA., ASEHGNR T MOTOR COMPANY, 0F WASHINGTON, `DISTRICTOF COLUMBIB., .Et CRPlitlll-i 01E' DELAWARE.

INTERNAL-COMBUSTON ENGINE.

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specimen@ of mammaire iatentedsd,

dell@ pplication filed January 29, 41913. Serial lilo.v 'fll,33.

T0 all whom t Amay conce/fn.' f

Be it known that I, ROBERT S. Moose, a citizen of the United States,residing at Washington, in theDistrict of Columbia, have inventedcertain new and useful l1nprovements in Internal- Combustion Enf incs,of which the followin is'a description, reference being had to t eaccompanying drawing and to the figures of reference marked thereon.

My' invention relates to new and useful improvements 1n rotary gasengines, and

more especially to gas engines of the type wherein a plurality ofcylinders are carried by a rotating casing, and wherein a piston in eachcylinder coperates with a stationary A crank to rotate the casing andcylinders.

The object of the present invention is so to construct thecylinders'that in the rotation thereof air will be circulated moreerfectively against the walls thereof, and un` due heating avoided. I1accomplish this object by providing the cylinder with tubularradiations forming a part of the body of the cylinder, the tubes beingformed by boring longitudinally alongthe wall of the cylinder, the tubesopening at either end to the atmos phere.

The invention consists in the matters hereinafter described and referredto in the appended claims.

The invention is illustrated in the appended drawings, in whichrd Figure1 is a plan view of a revolving cylinder motor, partly in section, withthe cylinders constructed in accordance with my invention; Fig. 2 is across section of one of the cylinders; and Fig. 3 is an elevation partlyin section.

In these drawings, the rotary gas engine is of the well known gyromotortype, and comprises the casing l, carrying the plurality of cylinders 2,in each of which 1s the piston 3 driven by the connecting rod 4 from thestationary crank shaft. The intake valve is represented conventionallyat 6, and the discharge valve for the burnt gases at 7. lt is notnecessary to describe any of these parts n f in detail, as in generalthey are of a well known construction.

The feature of this invention is in the means for cooling th'e'motor,and this is accomplished by the special construction of the cylinders 2.Each cylinder 2 is formed with being bored out an enlarged head or outerportion S, and through this enlarged portion are bored lon-4 gitudinalopenings 9, at suitable distances apart, and the wall of thel cylinderbetween the openings is milled cunas shown at l0, thus making ascalloped effect to the outer periphery of the cylinder head, andforming in e'ect tubular radiations open at the bottom and top, throughwhich air may freely circulate and cool the cylinders.

l do not claim to be the 'lirst to provide a `iacket for 'a cylinder,arranged thereon to form a space for the circulation of air, or" acooling medium, but by forming thecyl# inder with tubular radiations andwith such tubes integral with the body thereof, 'l have thereby provideda :most eilective cooling anrangement for the cylinders, and one espe(trially adaptedfor revolving cylinder rhoors.

The outer end or top of the cylinder is inner ends of the tubes theboring out theneoiE leaves longitudinal radiating ribs l2 grooves 13between them.

It will be seen that the radial tubes for cooling the cylinders extendto the top of the latter, and by this arrangement it will be seen thatwhen the motor is revolving, the rapid passing ora the tubes thro-ughthe air will suck the air through the tubes in an outward direction inAa similar manner, as occurs when air is blown across the end oiy a tube.This action is aided by the fact which l have observed that in revolvingcylinder motor a strong air current passes from the central section ofthe motor-to its periphery all around the motor.

Having thus described my invention, what l cl im as new and desire tosecure by' Letn tersilPatent, is

lo An internal combustion engine includ; ing a rotating casing,cylinders carried thereby and projecting, radially therefrom, cachcylinder having an enlarged portion adjacent its outer end, saidenlarged portion longitudinally of the cylinder to provide a series oftubes open at the top and bottom to the atmosphere.'

2. An internal combustionengine including a rotating casing, cylinderscarried thereby and projecting radially therefrom, each cylinder havingan enlarged portion' ad and ' Iurged portion of each vided with jacentits outer ena, said enlarged portion being bored out longitudinally ofthe cyhnder to provide nl series of tubes Open at the top and bottom tothe atmosphere, said e11- cylinder being progrooves' between the tubesto form L scalloped periphery,

In testimony whereof, I aiix my signature in the presence of twoWitnesses.

ROBERT s. MOORE.

Witnesses A. M. PARKINS, C. L. STURTEVANT.

